Do not take this medicine with any of the following medications:

-deutetrabenazine
-tetrabenazine

This medicine may also interact with the following medications:

-alcohol
-certain medicines for fungal infections like ketoconazole and itraconazole
-certain medicines for seizures like carbamazepine, phenytoin
-clarithromycin
-digoxin
-fluoxetine
-MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
-medicines for sleep
-paroxetine
-quinidine
-rifampin
-St. John''s Wort

They need to know if you have any of these conditions:

-heart disease
-history of irregular heartbeat
-if you often drink alcohol
-liver disease
-Parkinson''s disease
-an unusual or allergic reaction to valbenazine, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your doctor or health care professional for regular checks on your progress. Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Talk to your doctor or pharmacist before drinking alcoholic beverages.

This medicine may cause constipation. Try to have a bowel movement at least every 2 to 3 days. If you do not have a bowel movement for 3 days, call your doctor or health care professional.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.